DoT Moves Supreme Court Against TDSAT’s Intra-Circle Roaming Verdict Department of Telecom has moved the Supreme Court challenging tribunal TDSAT’s judgement that allowed Airtel, Idea and Vodafone to offer 3G services under a roaming arrangement in areas where not all of September 16, 2014 Business/Channel/IT Magazine/Magazine Advertisement india/News/Product Launch/Social Media/Tablet/Technology News/Telecom News